Here are the answers to your questions:
Section 3:
- During the early Cold War period, the leader of the Soviet Union was Joseph Stalin until his death in 1953. After his death, Nikita Khrushchev eventually emerged as the dominant leader.
- There was no "second Berlin Crisis" in 1953. The major crisis in the Soviet bloc in 1953 was the East German Uprising. This was a series of strikes and protests by workers in East Germany against the communist government's policies, particularly increased work quotas. The uprising was brutally suppressed by Soviet tanks and troops, demonstrating the Soviet Union's firm control over its satellite states in Eastern Europe.
Section Q4:
- Communism is a political and economic ideology that advocates for a classless society in which all property and wealth are communally owned and controlled, rather than by individuals. It aims to eliminate private ownership and social hierarchies.
- Capitalism is an economic system characterized by private ownership of the means of production, where goods and services are produced for profit in a competitive market economy. Prices and production are largely determined by supply and demand.
- The two opposing military alliances formed in 1949 and 1955 were:
- In 1949: The North Atlantic Treaty Organization (NATO), led by the United States.
- In 1955: The Warsaw Pact, led by the Soviet Union.
- The US President who tried to invade Cuba by training Cuban exiles and sending them to invade to start a rebellion was John F. Kennedy. This event is known as the Bay of Pigs Invasion in April 1961.
Section Q5:
- John F. Kennedy succeeded President Eisenhower.
- The invasion of Cuba that was planned but never fully executed as a full-scale military operation, and which brought the world to the brink of nuclear war, was the proposed invasion during the Cuban Missile Crisis in October 1962. While the Bay of Pigs invasion was executed, a larger, direct US invasion of Cuba was considered and prepared for during the Missile Crisis but ultimately averted through negotiations.
- Brinkmanship is a foreign policy strategy in which a country pushes a dangerous situation or confrontation to the verge of disaster (the "brink") in order to achieve the most advantageous outcome. It involves threatening to go to war to achieve one's objectives.
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